/* La Plata — design system: prata sobre carbono */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #0a0a0a;
  --surface:      #111111;
  --surface-2:    #1a1a1a;
  --border:       rgba(192, 192, 192, 0.1);
  --border-focus: rgba(192, 192, 192, 0.45);
  --silver-100:   #f0f0f0;
  --silver-200:   #d8d8d8;
  --silver-300:   #b0b0b0;
  --silver-400:   #787878;
  --silver-500:   #484848;
  --error:        #d96060;
  --radius:       6px;
  --radius-lg:    10px;
  --t:            0.15s ease;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--silver-200);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

/* ── LOGIN ─────────────────────────────────────────────── */

body.page-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 40%, #141414 0%, var(--bg) 70%);
  padding: 24px;
}

.login-container {
  width: 100%;
  max-width: 380px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px 32px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
}

.login-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 32px;
  filter: drop-shadow(0 0 28px rgba(192,192,192,0.2));
}

.login-logo img {
  width: 104px;
  height: 104px;
  object-fit: contain;
}

.config-warning {
  padding: 10px 12px;
  background: rgba(192,192,192,0.04);
  border: 1px solid rgba(192,192,192,0.1);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--silver-400);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver-400);
}

.field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--silver-200);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--t);
}

.field input:focus { border-color: var(--border-focus); }
.field input::placeholder { color: var(--silver-500); }

.field-error {
  font-size: 13px;
  color: var(--error);
  padding: 0 2px;
}

.btn-primary {
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1px solid var(--silver-300);
  border-radius: var(--radius);
  color: var(--silver-100);
  font-size: 12px;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
  margin-top: 4px;
}

.btn-primary:hover:not(:disabled) {
  background: var(--silver-300);
  color: var(--bg);
  border-color: var(--silver-300);
}

.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }

.login-footer {
  margin-top: 24px;
  text-align: center;
}

.link-secondary {
  font-size: 12px;
  color: var(--silver-500);
  text-decoration: none;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(192,192,192,0.12);
  padding-bottom: 2px;
  transition: color var(--t), border-color var(--t);
}

.link-secondary:hover {
  color: var(--silver-300);
  border-color: var(--silver-400);
}

/* ── ADMIN / PÁGINAS INTERNAS ───────────────────────────── */

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.page-title {
  font-size: 20px;
  font-weight: 300;
  color: var(--silver-100);
}

.page-subtitle {
  font-size: 12px;
  color: var(--silver-500);
  margin-top: 3px;
  letter-spacing: 0.04em;
}

.btn-silver {
  flex-shrink: 0;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--silver-300);
  border-radius: var(--radius);
  color: var(--silver-100);
  font-size: 12px;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}

.btn-silver:hover { background: var(--silver-300); color: var(--bg); }

/* members table */
.members-table {
  width: 100%;
  border-collapse: collapse;
}

.members-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-500);
  padding: 0 12px 12px;
  border-bottom: 1px solid var(--border);
}

.members-table td {
  padding: 12px;
  font-size: 13px;
  color: var(--silver-200);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.members-table tr:last-child td { border-bottom: none; }
.members-table tbody tr:hover td { background: rgba(255,255,255,0.02); }

/* role badges */
.role-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid;
}

.role-badge.owner  { color: #e8e8e8; border-color: rgba(232,232,232,0.4); background: rgba(232,232,232,0.07); }
.role-badge.admin  { color: var(--silver-300); border-color: rgba(176,176,176,0.3); }
.role-badge.member { color: var(--silver-500); border-color: var(--border); }

/* table action button */
.tbl-btn {
  background: none;
  border: none;
  color: var(--silver-400);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: color var(--t), background var(--t);
}

.tbl-btn:hover         { color: var(--silver-200); background: rgba(255,255,255,0.05); }
.tbl-btn:disabled      { opacity: 0.4; cursor: not-allowed; }
.tbl-btn.danger:hover  { color: var(--error); }

.tbl-actions {
  white-space: nowrap;
  text-align: right;
}
.tbl-actions .tbl-btn { margin-left: 2px; }

/* empty / loading state */
.empty-state {
  text-align: center;
  padding: 48px 0;
  color: var(--silver-500);
  font-size: 14px;
}

/* modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(3px);
  padding: 24px;
}

.modal {
  background: var(--surface);
  border: 1px solid rgba(192,192,192,0.14);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
}

.modal-title {
  font-size: 16px;
  font-weight: 400;
  color: var(--silver-100);
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: flex-end;
}

.btn-ghost {
  padding: 10px 18px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--silver-400);
  font-size: 12px;
  font-family: inherit;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--t);
}
.btn-ghost:hover { border-color: var(--silver-400); color: var(--silver-200); }

/* header brand como link */
.header-brand {
  text-decoration: none;
  color: inherit;
}

/* ── DASHBOARD ──────────────────────────────────────────── */

body.page-dashboard { min-height: 100vh; }

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 58px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(192,192,192,0.3));
}

.header-brand-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-200);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-coins {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--silver-300);
}

.coin-icon {
  width: 14px;
  height: 14px;
  background: radial-gradient(circle at 36% 32%, var(--silver-200) 0%, var(--silver-400) 100%);
  border-radius: 50%;
  flex-shrink: 0;
}

.header-user {
  font-size: 13px;
  color: var(--silver-400);
}

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--silver-400);
  font-size: 11px;
  font-family: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color var(--t), color var(--t);
}

.btn-logout:hover {
  border-color: var(--silver-400);
  color: var(--silver-200);
}

.dashboard-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 44px 28px;
}

.dashboard-greeting {
  margin-bottom: 36px;
}

.dashboard-greeting h1 {
  font-size: 22px;
  font-weight: 300;
  color: var(--silver-100);
  letter-spacing: 0.01em;
}

.dashboard-greeting h1 strong {
  font-weight: 600;
}

.greeting-role {
  font-size: 12px;
  color: var(--silver-500);
  margin-top: 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.nav-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t), background var(--t);
  display: block;
}

.nav-card:hover {
  border-color: rgba(192,192,192,0.28);
  background: var(--surface-2);
}

.nav-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--silver-200);
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.nav-card-desc {
  font-size: 12px;
  color: var(--silver-500);
  line-height: 1.5;
}

.download-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  margin-bottom: 32px;
  background: linear-gradient(135deg, #161616 0%, #1c1c1c 100%);
  border: 1px solid rgba(192,192,192,0.35);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.download-banner:hover {
  border-color: rgba(192,192,192,0.7);
  box-shadow: 0 0 18px rgba(192,192,192,0.08);
}
.download-banner-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.download-banner-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--silver-100);
  letter-spacing: 0.02em;
}
.download-banner-sub {
  font-size: 13px;
  color: var(--silver-400);
}
.download-banner-btn {
  flex-shrink: 0;
  padding: 10px 22px;
  background: var(--silver-200);
  color: #0a0a0a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--t);
}
.download-banner:hover .download-banner-btn {
  background: #ffffff;
}

.nav-card-badge {
  display: inline-block;
  margin-top: 14px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-400);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 7px;
}

/* ──────────────────────────────────────────────
   Página de reservas
─────────────────────────────────────────────── */

.meta-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  margin-bottom: 28px;
}
.meta-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}
.meta-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-400);
}
.meta-hours {
  font-size: 18px;
  font-weight: 700;
  color: var(--silver-100);
}
.progress-track {
  height: 8px;
  background: var(--surface-2);
  border-radius: 99px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--silver-400), var(--silver-100));
  border-radius: 99px;
  transition: width 0.4s ease;
}
.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.meta-chip {
  font-size: 12px;
  color: var(--silver-400);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px 12px;
}
.meta-chip.reached {
  color: #0a0a0a;
  background: var(--silver-200);
  border-color: var(--silver-200);
  font-weight: 600;
}
.meta-balances {
  display: flex;
  gap: 32px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.balance { display: flex; flex-direction: column; gap: 2px; }
.balance-num { font-size: 22px; font-weight: 700; color: var(--silver-100); }
.balance-lbl { font-size: 12px; color: var(--silver-400); }
.meta-status {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--silver-400);
}
.meta-status strong { color: var(--silver-200); }

/* dias da semana */
.day-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.day-tab {
  font-family: inherit;
  font-size: 13px;
  color: var(--silver-300);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color var(--t), color var(--t), background var(--t);
}
.day-tab:hover { border-color: var(--border-focus); color: var(--silver-100); }
.day-tab.active {
  background: var(--silver-200);
  border-color: var(--silver-200);
  color: #0a0a0a;
  font-weight: 600;
}

/* grade */
.grade-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.grade-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.grade-table th {
  background: var(--surface-2);
  color: var(--silver-300);
  font-weight: 600;
  text-align: center;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}
.grade-hour-col { width: 64px; }
.grade-hour {
  text-align: center;
  color: var(--silver-400);
  background: var(--surface);
  font-variant-numeric: tabular-nums;
}
.grade-cell {
  text-align: center;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
  height: 38px;
}
.grade-table tr:last-child .grade-cell,
.grade-table tr:last-child .grade-hour { border-bottom: none; }
.grade-cell.free {
  color: var(--silver-500);
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.grade-cell.free:hover { background: rgba(192,192,192,0.08); color: var(--silver-100); }
.grade-cell.past { color: var(--silver-500); opacity: 0.4; }
.grade-cell.taken { color: var(--silver-300); }
.grade-cell.mine {
  background: rgba(192,192,192,0.1);
  color: var(--silver-100);
  position: relative;
}
.grade-who { font-weight: 500; }
.grade-x {
  margin-left: 6px;
  border: none;
  background: none;
  color: var(--silver-400);
  cursor: pointer;
  font-size: 12px;
}
.grade-x:hover { color: var(--error); }